Bump version to 1.0.9

Fix Wake-on-LAN: set SO_BROADCAST on UDP socket, send 3 magic packets,
expose broadcast_addr and wake timeout fields in UI, add Test Wake endpoint,
surface send errors in job status, bump default wake timeout to 180s.

internal/api/router.go

@@ -52,6 +52,7 @@ func NewServer(cfg *config.Config, db *sql.DB, engine *syncengine.Engine) *Serve
 			r.Get("/{id}", machineHandler.Get)
 			r.Put("/{id}", machineHandler.Update)
 			r.Delete("/{id}", machineHandler.Delete)
+			r.Post("/{id}/test-wol", machineHandler.TestWoL)
 		})
 
 		r.With(auth.RequireAuth).Route("/sync-pairs", func(r chi.Router) {